Stillwater, OK Weather & Growing Conditions
Today
103°F
Sunny
Sunny, with a high near 103. Heat index values as high as 104. South southeast wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 103°F | Sunny | 9 mph SSE | 0% |
| Tonight | 77°F | Mostly Clear | 9 mph SSE | 3% |
| Wednesday | 103°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 to 10 mph SSW | 12% |
| Wednesday Night | 76°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SSE | 12% |
| Thursday | 100°F | Mostly Sunny | 5 to 8 mph SSW | 10% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms | 8 mph SE | 39% |
| Friday | 97°F | Chance Showers And Thunderstorms | 7 to 10 mph SSE | 39% |
| Friday Night | 73°F | Slight Chance Showers And Thunderstorms | 7 to 10 mph SSE | 22% |
| Saturday | 99°F | Slight Chance Showers And Thunderstorms then Sunny | 6 to 10 mph S | 16% |
| Saturday Night | 74°F | Clear | 12 mph S | 3% |
| Sunday | 100°F | Sunny | 8 to 13 mph S | 1% |
| Sunday Night | 75°F | Clear | 9 to 13 mph S | 0% |
| Monday | 100°F | Sunny | 9 to 15 mph SSW | 1% |
| Monday Night | 76°F | Mostly Clear | 12 to 15 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Stillwater, OK
Last spring frost
Apr 5
First fall frost
Oct 30
Growing season
206 days
Hardiness zone
7a
Explore more for Stillwater, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Stillwater 2 W, Ok (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.